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What are the common diseases of cucumbers in cold frames? How to prevent and control them
Abstract Downy mildew: spray 25% metalaxyl 800x solution, once every 7-10 days, for about 3-6 days in a row. Fusarium wilt: use 50% thiophanate-methyl 400x solution, or 50% carbendazim 500x solution and other chemicals to drench the roots. Powdery mildew: spray 40% DuPont Fuxing 2000x solution
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When is the most suitable time to control Sclerotinia stem rot in rapeseed?
Abstract Sclerotinia stem rot in rapeseed can occur throughout the entire growth stage of rapeseed, with a higher incidence rate during the pod-setting stage. The initial control time is at sowing and in the early stages of Sclerotinia stem rot occurrence, when applying biological agents can effectively reduce the number of sclerotia in the field, while the important stage for control is
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How can mango dew spots be prevented and controlled effectively?
Summary Tree care: Improve the tree's immunity and disease resistance by supplementing organic matter and chemical fertilizers. Regularly spray protective fungicides and organic chelated calcium fertilizer: prevent pathogen infection, strengthen fruit flesh cells, promote the fruit's wax coating, thereby achieving the effect of preventing dew spots.
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The best time to control wheat scab is in the early stages of infection
Abstract Wheat scab is most likely to occur during the heading and flowering stages, that is, between mid-April and mid-May, so control measures are generally most effective when carried out during this period. Wheat scab should be primarily prevented; if infection occurs during the flowering stage, serious consequences may only appear during the grain-filling stage, and at that point it is very difficult to stop the disease.
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New soilless cultivation techniques for cilantro: nutrient solution concentration control is key
For soilless cultivation of cilantro, the first choice is a good planting plot, with an adequate clean water source, sufficient electricity and good ventilation to build a greenhouse. Cilantro is suitable for sowing and raising seedlings in autumn and winter, because seed germination requires a certain temperature. After the seedlings are transplanted, different nutrient concentrations can be set according to different
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What are the causes and diseases of strawberry fruit rot? With control methods
The causes of fruit rot include diseases, poor soil conditions, and improper cultivation management, all of which can lead to fruit rot. The solutions are as follows. Diseases: if diseases are found, Trichoderma can be used for control, and old leaves, diseased flowers and diseased fruits should be removed in time. Poor soil conditions: it is best to choose
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New strawberry cultivation techniques: control the planting density well, and carry out drainage, irrigation and watering promptly as usual
Strawberries are suitable for planting in soil that is fertile and loose, with good drainage and irrigation, and good fertilizer and water retention. After choosing the land, it needs to be plowed and fertilized for improvement, and once the beds are made, planting can begin. When planting, the planting density must be controlled well. Strawberries have high temperature requirements, and the most suitable temperature for growth is
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How to control aphids on goji berry? Master the outbreak pattern and solve the pest problem in three steps
Aphids are pests found specifically in goji berry growing areas. They gather in large numbers on the backs of tender goji leaves and at the base of the leaves to suck sap, thereby destroying the nutritional content of the goji berry and affecting its flowering, fruiting and fruit-setting rate. Moreover, the
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What pesticides can ethylicin be mixed with? The right combinations effectively control diseases
Abstract Ethylicin can be used in combination with a variety of pesticides. Common pairings include propamocarb hydrochloride, difenoconazole, hymexazol plus fosetyl water formulation, thiophanate-methyl, propiconazole, myclobutanil, pyraclostrobin, chloramphenicol, boscalid, triadimefon and others. Ethylicin combined with different
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How to Grow Blue-Eyed Daisy? Tropical Plants Need Good Temperature Control
Summary. Germination: remove the seed coat, soak the seeds in water, then place them in a cool, shady spot to germinate; once they sprout (show white), they can be sown. Sowing: place the seeds in a seedling tray and cover with a thin plastic film. Fertilizing: after the seedlings grow 2 pairs of true leaves, apply an appropriate amount of thin water-soluble fertilizer once a week
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